Martingale

Alternative forms

• martingal

Origin

French martingale

Full definition of martingale

Noun

1. A piece of harness used on a horse to keep it from raising its head above a desired point.
2. (nautical) A spar, or piece of rigging that strengthens the bowsprit.
3. (mathematics) A stochastic process relating random variables to earlier values
4. A gambling strategy in which one doubles the stake after each loss.
5. (fencing) A strap attached to the sword handle, preventing a sword being dropped if disarmed.

Synonyms

• (piece of harness) tie-down

Derived terms

• running martingale
• standing martingale